CVE-2025-39429
📋 TL;DR
This CVE describes a PHP Local File Inclusion vulnerability in the Széchenyi 2020 Logo WordPress plugin. Attackers can exploit improper filename control in include/require statements to read sensitive files on the server. All users running versions up to 1.1 of this plugin are affected.
💻 Affected Systems
- Széchenyi 2020 Logo WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise through reading sensitive files like /etc/passwd, database credentials, or executing arbitrary PHP code if file upload is possible.
Likely Case
Information disclosure of sensitive server files, potentially leading to credential theft or further exploitation.
If Mitigated
Limited impact if proper file permissions and web server configurations restrict access to sensitive directories.
🎯 Exploit Status
Simple path traversal techniques can exploit this vulnerability without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Széchenyi 2020 Logo' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.2+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the Széchenyi 2020 Logo plugin until patched
wp plugin deactivate szechenyi-2020-logo
Restrict PHP file inclusion
linuxAdd web server rules to block path traversal attempts
# Apache: RewriteRule ^.*\.php$ - [F,L] in .htaccess for plugin directory
# Nginx: location ~ \.php$ { deny all; } for plugin path
🧯 If You Can't Patch
- Remove the Széchenyi 2020 Logo plugin completely from production systems
- Implement strict web application firewall rules to block LFI patterns and path traversal attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Széchenyi 2020 Logo for version number. If version is 1.1 or earlier, system is vulnerable.Check Version:
wp plugin get szechenyi-2020-logo --field=versionVerify Fix Applied:
Confirm plugin version is 1.2 or later in WordPress admin panel and test LFI payloads no longer work.📡 Detection & Monitoring
Log Indicators:
- Unusual file path patterns in access logs (e.g., ../../../etc/passwd)
- Multiple 404 errors for PHP files in plugin directory
- Requests containing '..' or '%2e%2e' sequences
Network Indicators:
- HTTP requests with path traversal sequences targeting the plugin
- Unusual file extensions in URLs for the plugin endpoint
SIEM Query:
source="web_access_logs" AND (uri="*..*" OR uri="*%2e%2e*") AND uri="*szechenyi*"